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Finding the Fourth Proportional to 607,327.80, 911,250.90 and 291,622.20

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Solution

The fourth proportional to 607,327.80, 911,250.90 and 291,622.20 is: 437,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,327.80 : 911,250.90 = 291,622.20 : x
  2. Step 2: Convert to fraction form
    607,327.80/911,250.90 = 291,622.20/x
  3. Step 3: Cross multiply
    607,327.80x = 911,250.90 × 291,622.20
  4. Step 4: Simplify right side
    607,327.80x = 265,740,992,209.98
  5. Step 5: Solve for x
    x = 265,740,992,209.98/607,327.80
  6. Step 6: Final answer
    x = 437,557.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.